Finding the Fourth Proportional to 995,328,824.80, 1,492,993,237.20 and 867,926,840.80
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Solution
The fourth proportional to 995,328,824.80, 1,492,993,237.20 and 867,926,840.80 is: 1,301,890,261.20
Step by Step Solution
- Step 1: Write the proportion equation
995,328,824.80 : 1,492,993,237.20 = 867,926,840.80 : x - Step 2: Convert to fraction form
995,328,824.80/1,492,993,237.20 = 867,926,840.80/x - Step 3: Cross multiply
995,328,824.80x = 1,492,993,237.20 × 867,926,840.80 - Step 4: Simplify right side
995,328,824.80x = 1,295,808,903,698,760,960 - Step 5: Solve for x
x = 1,295,808,903,698,760,960/995,328,824.80 - Step 6: Final answer
x = 1,301,890,261.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.